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Breast cancer radiation

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https://www.readbyqxmd.com/read/29035819/preparation-of-envelope-type-lipid-nanoparticles-containing-gold-nanorods-for-photothermal-cancer-therapy
#1
West Kristian D Paraiso, Hiroki Tanaka, Yusuke Sato, Daiki Shirane, Noriyuki Suzuki, Yasumitsu Ogra, Kota Tange, Yuta Nakai, Hiroki Yoshioka, Hideyoshi Harashima, Hidetaka Akita
The use of gold nanorods (AuNRs) that produce heat in response to near infrared (NIR) irradiation is an attractive approach to cancer photothermal therapy. AuNRs are usually prepared by using a highly toxic detergent: cetyltrimethylammonium bromide (CTAB). Thus, the removal of CTAB from the reaction mixture, and further stabilization of the surface of the AuNRs is required. In the present study, AuNRs were encapsulated in a multifunctional envelope-type nano device (AuNR-MEND) formed with an SS-cleavable and pH-activated lipid-like material...
October 9, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29034687/predictors-of-placement-of-inpatient-palliative-care-consult-orders-among-patients-with-breast-lung-and-colon-cancer-in-a-safety-net-hospital-system
#2
Lauren N Smith, Ramona L Rhodes, Lei Xuan, Ethan A Halm
BACKGROUND: The provision of palliative and end-of-life care to patients who are underrepresented and underserved provides unique challenges and opportunities. OBJECTIVES: To examine predictors of placement of inpatient palliative care consult orders among patients with breast, lung, and colorectal cancer hospitalized in a safety net hospital in 2010. METHODS: Simple and multivariable logistic regression of data on selected patients with cancer was performed to identify predictors of placement of inpatient palliative care consult orders...
January 1, 2017: American Journal of Hospice & Palliative Care
https://www.readbyqxmd.com/read/29032999/a-prospective-phase-i-comparison-of-toxicity-and-cosmesis-outcomes-of-single-fraction-iort-and-hypofractionated-radiotherapy-with-iort-boost-in-early-stage-breast-cancer
#3
Tanuja Bhandari, Wesley Babaran, Afshin Forouzannia, Venita Williams, Jay Harness, Michele Carpenter, Maher Gobran, Rajesh Khanijou, Brittany Wagman, Robert Ash, Lawrence D Wagman
PURPOSE: Radiation therapy is proven to reduce local recurrence in patients with early-stage breast cancer. To reduce toxicity, treatment time, and improve accuracy, intraoperative radiation therapy was used as definitive treatment or as a boost. The study's objective was to compare the short-term toxicity and cosmesis of single-fraction (SF) IORT and hypofractionated radiotherapy with IORT boost (HfB) given as definitive treatment. METHODS AND MATERIALS: Between March 2011 and December 2013, 57 patients aged 45-91 years and 24 patients aged 43-83 years (total n = 81) with Stage 0-II were treated with SF or HfB (Mobetron, IntraOp Medical, Sunnyvale, CA)...
October 9, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29031423/the-state-of-surgical-axillary-management-and-adjuvant-radiotherapy-for-early-stage-invasive-breast-cancer-in-the-modern-era
#4
Justin M Mann, Xian Wu, Paul Christos, Himanshu Nagar
BACKGROUND: For clinical T1-2N0 breast cancer, sentinel lymph node biopsy (SLNB) has been shown in American College of Surgeons Oncology Group (ACOSOG) Z0011 to be sufficient for women with 1 to 2 positive sentinel lymph nodes with no added benefit for completion axillary lymph node dissection (ALND). Z0011 specified whole breast radiotherapy (RT) using standard tangential fields; however, later analysis showed variation in field design. We assessed nationwide practice patterns and examined factors associated with patients undergoing completion ALND and subsequent radiation field design...
September 19, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29031034/-potential-of-using-vitamin-d-as-an-adjuvant-treatment-of-malignant-melanoma
#5
B Bolerázska, E Ďurovcová, M Mareková
The incidence of malignant melanoma worldwide continues to grow despite the enormous advances in topical and systemic therapy. This increase is recorded regularly even in countries where, as a result of public health campaigns, dermatological examination and subsequent treatment have become more frequent. However, there have been reports of a stable or even decreasing mortality rate that seem to contradict the objective increase in its incidence. The well-known risk factors for malignant melanoma include sunburns and occasional sunbathing, whereas regular sunbathing is associated with a lower incidence...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29030460/hmg-coa-reductase-inhibition-delays-dna-repair-and-promotes-senescence-after-tumor-irradiation
#6
Elena V Efimova, Natalia Ricco, Edwardine Labay, Helena J Mauceri, Amy C Flor, Aishwarya Ramamurthy, Harold G Sutton, Ralph R Weichselbaum, Stephen J Kron
Despite significant advances in combinations of radiotherapy and chemotherapy, altered fractionation schedules and image-guided radiotherapy, many cancer patients fail to benefit from radiation. A prevailing hypothesis is that targeting repair of DNA double strand breaks (DSBs) can enhance radiation effects in the tumor and overcome therapeutic resistance without incurring off-target toxicities. Unrepaired DSBs can block cancer cell proliferation, promote cancer cell death and induce cellular senescence. Given the slow progress to date translating novel DSB repair inhibitors as radiosensitizers, we have explored drug repurposing, a proven route to improving speed, costs and success rates of drug development...
October 13, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29029470/real-time-in-vivo-imaging-of-metastatic-bone-tumors-with-a-targeted-near-infrared-fluorophore
#7
Wonbong Lim, HongMoon Sohn, Youngjong Ko, Mineon Park, Bora Kim, Danbi Jo, Jin Seok Jung, Dae Hyeok Yang, Jangho Kim, Ok Joon Kim, Donghwi Kim, Young Lae Moon, Jung-Joon Min, Hoon Hyun
Tumors of the prostate or breast are particularly likely to metastasize to the bone, and early diagnosis of metastatic bone tumors is important for designing an effective treatment strategy. Imaging modalities for the detection of bone metastasis are limited, and radiation-based techniques are commonly used. Here, we investigated the efficacy of selective near-infrared (NIR) fluorescence detection of metastatic bone tumors and its role in the detection of bone metastasis in prostate and breast cancer cell lines and in a xenograft mouse model...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029445/microrna-200c-increases-radiosensitivity-of-human-cancer-cells-with-activated-egfr-associated-signaling
#8
Taeryool Koo, Bong Jun Cho, Dan Hyo Kim, Ji Min Park, Eun Jung Choi, Hans H Kim, David J Lee, In Ah Kim
MicroRNA-200c (miR-200c) recently was found to have tumor-suppressive properties by inhibiting the epithelial-mesenchymal transition (EMT) in several cancers. miR-200c also interacts with various cellular signaling molecules and regulates many important signaling pathways. In this study, we investigated the radiosensitizing effect of miR-200c and its mechanism in a panel of human cancer cell lines. Malignant glioma (U251, T98G), breast cancer (MDA-MB-468), and lung carcinoma (A549) cells were transfected with control pre-microRNA, pre-miR-200c, or anti-miR-200c...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29028221/quality-of-life-and-patient-reported-outcomes-following-proton-radiation-therapy-a-systematic-review
#9
REVIEW
Vivek Verma, Charles B Simone, Mark V Mishra
Background: As costs of cancer care rise, the importance of documenting value in oncology increases. Proton beam radiotherapy (PBT) has the potential to reduce toxicities in cancer patients, but is relatively expensive and unproven. Evaluating quality of life (QOL) and patient-reported outcomes (PROs) is essential to establishing PBT's "value" in oncologic therapy. The goal of this systematic review was to assess QOL and PROs in patients treated with PBT. Methods: Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)-guided systematic searches were conducted...
April 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29024537/association-between-weight-gain-during-adjuvant-chemotherapy-for-early-stage-breast-cancer-and-survival-outcomes
#10
Gustavo Schvartsman, Angelica M Gutierrez-Barrera, Juhee Song, Naoto T Ueno, Susan K Peterson, Banu Arun
Obese and overweight women have an increased risk of breast cancer and worse outcomes at the time of diagnosis. Women tend to gain weight after breast cancer diagnosis and during chemotherapy for early-stage disease, which may in turn increase risk for worse outcomes. We examined if weight gained during adjuvant chemotherapy was associated with worse survival outcomes. We queried our database for data on patients who received adjuvant third-generation chemotherapy for early-stage breast cancer. Univariate and multivariate analyses by Cox regression were performed for survival outcomes across three categories according to BMI variation from start to end of chemotherapy: >0...
October 10, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29024383/down-regulation-of-lncrna-ccat1-enhances-radiosensitivity-via-regulating-mir-148b-in-breast-cancer
#11
Yong Lai, Yang Chen, Yuanhong Lin, Ling Ye
LncRNA colon-cancer-associated transcript-1 (CCAT1) was proved to be a potential prognostic biomarker for breast cancer progression. However, the role of CCAT1 in regulating radiosensitivity of breast cancer and its underlying mechanism have not been investigated. The present study showed that CCAT1 was up-regulated and miR-148b was down-regulated in radioresistant breast cancer tissues compared with radiosensitive breast cancer tissues. Radiation treatment triggered a significant increase in CCAT1 and an obvious decrease in miR-148b...
October 11, 2017: Cell Biology International
https://www.readbyqxmd.com/read/29024198/mucocele-like-lesions-diagnosed-on-breast-core-biopsy-low-risk-of-upgrade-and-subsequent-carcinoma
#12
Gloria Zhang, Dana Ataya, Paulette L Lebda, Benjamin C Calhoun
Mucocele-like lesions of the breast diagnosed on core biopsy are usually excised to exclude the possibility of partial sampling of an invasive mucinous carcinoma. The goal of this study was to correlate the pathologic and radiologic features of mucocele-like lesions to determine if excision is mandatory. Over a 16 year period we identified 32 patients with mucocele-like lesions diagnosed on 27 (84%) stereotactic and 5 (16%) ultrasound-guided core biopsies. The indications for core biopsy were: calcifications in 24 (75%), a mass in 7 (22%), and a mass with calcifications in 1 (3%)...
October 11, 2017: Breast Journal
https://www.readbyqxmd.com/read/29023215/cost-effectiveness-analysis-of-monthly-zoledronic-acid-zoledronic-acid-every-3-months-and-monthly-denosumab-in-women-with-breast-cancer-and-skeletal-metastases-calgb-70604-alliance
#13
Charles L Shapiro, James P Moriarty, Stacie Dusetzina, Andrew L Himelstein, Jared C Foster, Stephen S Grubbs, Paul J Novotny, Bijan J Borah
Purpose Skeletal-related events (SREs) such as pathologic fracture, spinal cord compression, or the necessity for radiation or surgery to bone metastasis cause considerable morbidity, decrements in quality of life, and costs to the health care system. The results of a recent large randomized trial (Cancer and Leukemia Group B/Alliance for Clinical Trials in Oncology [CALGB/Alliance 70604]) showed that zoledronic acid (ZA) every 3 months was noninferior to monthly ZA in reducing the risks of SREs. We sought to determine the cost-effectiveness (CE) of monthly ZA, ZA every 3 months, and monthly denosumab in women with breast cancer and skeletal metastases...
October 12, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29019894/randomized-controlled-trial-of-late-course-concurrent-versus-sequential-chemoradiotherapy-after-mastectomy-and-axillary-surgery-in-locally-advanced-breast-cancer
#14
Ying Lu, Haixin Huang, Hui Yang, Dagui Chen
BACKGROUND: Concurrent chemoradiotherapy could increase the local control rate in patients with high recurrence risk after breast-conserving surgery, but the effect of concurrent chemoradiotherapy after mastectomy and axillary dissection is not clear. The aim of the study was to compare the effects of late-course concurrent chemoradiotherapy (CCRT) versus sequential therapy (SCRT) after mastectomy and axillary surgery in locally advanced breast cancer. METHODS: This was a randomized controlled trial of 155 patients with stage pT3-4p N1-3c M0 or pAnyT pN2-3c M0 breast cancer undergoing 5-fluorouracil+epirubicin+cyclophosphamide followed by docetaxel (FEC-D) chemotherapy after mastectomy and axillary dissection...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28992409/hypoxia-targeting-tumor-microenvironment-responsive-nanocluster-bomb-for-radical-enhanced-radiotherapy
#15
Da Huo, Sen Liu, Chao Zhang, Jian He, Zhengyang Zhou, Hao Zhang, Yong Hu
Although ultrasmall metal nanoparticles (NPs) have been used as radiosensitizers to enhance the local damage to tumor tissues while reducing injury to the surrounding organs, their rapid clearance from the circulatory system and the presence of hypoxia within the tumor continue to hamper their further application in radiotherapy (RT). In this study, we report a size tunable nanocluster bomb with a initial size of approximately 33 nm featuring a long half-life during blood circulation and destructed to release small hypoxia microenvironment-targeting NPs (∼5 nm) to achieve deep tumor penetration...
October 11, 2017: ACS Nano
https://www.readbyqxmd.com/read/28991038/exercise-prescription-and-adherence-for-breast-cancer-one-size-does-not-fitt-all
#16
Amy A Kirkham, Alis Bonsignore, Kelcey A Bland, Donald C McKenzie, Karen A Gelmon, Cheri L Van Patten, Kristin L Campbell
PURPOSE: To prospectively assess adherence to oncologist-referred, exercise programming consistent with current recommendations for cancer survivors among women with early breast cancer across the trajectory of adjuvant treatment. METHODS: Sixty-eight women participated in supervised, hour-long, moderate-intensity, aerobic and resistance exercise 3x/week during adjuvant chemotherapy ± radiation, with a step-down in frequency for 20 additional weeks. Adherence to exercise frequency (i...
October 5, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28990127/patterns-of-axillary-evaluation-in-older-patients-with-breast-cancer-and-associations-with-adjuvant-therapy-receipt
#17
Laura S Dominici, Helmneh M Sineshaw, Ahmedin Jemal, Chun Chieh Lin, Tari A King, Rachel A Freedman
PURPOSE: Although axillary lymph node status has traditionally been a key factor in informing adjuvant breast cancer therapy recommendations, this information may be less relevant as our focus shifts more towards tumor biology, particularly in older patients where comorbidity influences treatment decisions and nodal staging and/or surgery may not improve outcomes. We examined patterns of axillary surgery and associations between axillary surgery and receipt of adjuvant treatment in older breast cancer patients...
October 9, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28989927/metastatic-uterine-cancer-looking-as-cervical-fibroid-in-recurrent-breast-cancer-woman-a-case-report
#18
So Young Seo, Jin Yong Shin, Yong Il Ji
Metastasis to the female genital tract from extragenital primary cancer is uncommon. In this case, a 46-year-old woman was diagnosed with invasive lobular carcinoma of the left breast in 2011. She had left breast conserving surgery, chemotherapy, radiation, and hormonal therapy (gosereline and tamoxifen). However, she developed menorrhagia after interruption of hormonal therapy and incidentally, the ultrasonogram of her pelvis showed a solid, large mass in the cervix. It looked like leiomyoma. Because of massive vaginal bleeding requiring multiple blood transfusions, she underwent total hysterectomy with bilateral salpingo-oophorectomy...
September 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28989544/local-therapies-for-breast-cancer
#19
REVIEW
Ruth Exner
During the San Antonio Breast Cancer Symposium in December 2016, the main topics were systemic treatment of breast cancer and molecular research. But several studies were also presented concerning local therapy: Surgical issues on evaluating resection margins, management of ductal carcinoma in situ (DCIS), surgical challenges after neoadjuvant therapy related to assessment of response or treatment of axillary lymph nodes, and studies about outcome after breast reconstruction and radiation therapy were discussed...
2017: Memo
https://www.readbyqxmd.com/read/28989237/lipofilling-effects-after-breast-cancer-surgery-in-post-radiation-patients-an-analysis-of-results-and-algorithm-proposal
#20
Manuel Debald, Thomas Pech, Christina Kaiser, Mignon-Denise Keyver-Paik, Gisela Walgenbach-Bruenagel, Joerg C Kalff, Walther Kuhn, Klaus J Walgenbach
BACKGROUND: Lipofilling or autologous fat transfer is an established technique in plastic surgery. Herein, we describe the lipofilling effects after implant-based breast reconstruction in post-radiation patients and propose an algorithm for indication of lipofilling. METHODS: Forty patients with a history of breast cancer were included in this retrospective analysis. Patients had undergone either breast conserving therapy or mastectomy. Twenty-six patients underwent additional radiation therapy...
2017: European Journal of Plastic Surgery
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